libbtrfsutil: add Python bindings

[platform/upstream/btrfs-progs.git] / kernel-lib / crc32c.c

diff --git a/kernel-lib/crc32c.c b/kernel-lib/crc32c.c
index dfa4e6c..29fd01d 100644 (file)
--- a/kernel-lib/crc32c.c
+++ b/kernel-lib/crc32c.c
@@ -218,5 +218,9 @@ u32 __crc32c_le(u32 crc, unsigned char const *data, size_t length)
 
 u32 crc32c_le(u32 crc, unsigned char const *data, size_t length)
 {
+       /* Use by-byte access for unaligned buffers */
+       if ((unsigned long)data % sizeof(unsigned long))
+               return __crc32c_le(crc, data, length);
+
        return crc_function(crc, data, length);
 }